From: "David S. Miller" <davem@redhat.com>
To: Malcolm Beattie <mbeattie@sable.ox.ac.uk>
Cc: linux-kernel@vger.kernel.org, netdev@oss.sgi.com
Subject: Re: [UPDATE] Fresh zerocopy patch on kernel.org
Date: Wed, 31 Jan 2001 17:51:50 -0800 (PST) [thread overview]
Message-ID: <14968.49462.674977.825098@pizda.ninka.net> (raw)
In-Reply-To: <20010131152653.C13345@sable.ox.ac.uk>
In-Reply-To: <14966.35438.429963.405587@pizda.ninka.net> <20010131152653.C13345@sable.ox.ac.uk>
Malcolm Beattie writes:
> David S. Miller writes:
> >
> > At the usual place:
> >
> > ftp://ftp.kernel.org/pub/linux/kernel/people/davem/zerocopy-2.4.1-1.diff.gz
>
> Hmm, disappointing results here; maybe I've missed something.
As discussed elsewhere there is a %10 to %15 performance hit for
normal write()'s done with the new code.
If you do your testing using sendfile() as the data source, you'll
results ought to be wildly different and more encouraging.
Later,
David S. Miller
davem@redhat.com
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next prev parent reply other threads:[~2001-02-01 1:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-30 9:33 David S. Miller
2001-01-30 11:16 ` Chris Wedgwood
2001-01-30 12:23 ` David S. Miller
2001-01-30 18:59 ` Tom Rini
2001-01-31 15:26 ` Malcolm Beattie
2001-02-01 1:51 ` David S. Miller [this message]
2001-02-01 11:20 ` Malcolm Beattie
2001-02-01 11:25 ` David S. Miller
2001-01-30 15:58 Pau Aliagas
2001-02-01 8:20 ` Chris Wedgwood
2001-02-01 16:06 Jonathan Earle
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